With 12 replaceable slides: Moon and Star, different size hearts, different shapes Snowflakes, snowman and Santa Claus, pumpkin and ghost, birthday party gift, Animals cat and bird, Halloween Ghost and skull heads, and so on. Use for all occasion (indoor / outdoor): Christmas, Halloween, Thanksgiving, party, family dayRecommendation projection distance: 10 - 20ft, the snowflake will become larger with the projection distance, Recommendation projection to the wall in an area of 13ft x 13ft. Suggest using this product to projection the Light-colored wall or any other surface, so the pattern will be clearer.Waterproof: IP65,weather-resistant Waterproof for outdoor use, can even use in the rainy weather.You can project the patterns onto the wall, building, dance floor or any flat surface.Cost-effective: This one equivalent to 12 different projectors.You can use it in every day, not just the Christmas, Halloween, Thanksgiving.